RA Capital Management filings

This page lists the SEC filings reported by RA Capital Management.

SEC filings by RA Capital Management (ownership)
TypeFiledFilerSubjectShares OwnedPercent Owned
SC 13G2024-04-25RA CAPITAL MANAGEMENT, L.P.Protara Therapeutics, Inc.2,073,07510.0%EDGAR
SC 13G2024-04-15RA CAPITAL MANAGEMENT, L.P.Surrozen, Inc./DE323,66210.0%EDGAR
SC 13D/A2024-04-12RA CAPITAL MANAGEMENT, L.P.Eliem Therapeutics, Inc.13,189,73647.5%EDGAR
SC 13G2024-04-12RA CAPITAL MANAGEMENT, L.P.Boundless Bio, Inc.2,180,6319.8%EDGAR
SC 13D/A2024-04-11RA CAPITAL MANAGEMENT, L.P.Acrivon Therapeutics, Inc.8,359,10227.1%EDGAR
SC 13G2024-04-11RA CAPITAL MANAGEMENT, L.P.CervoMed Inc.825,37310.0%EDGAR
SC 13G2024-04-04RA CAPITAL MANAGEMENT, L.P.Dyne Therapeutics, Inc.5,213,6616.4%EDGAR
SC 13G2024-04-01RA CAPITAL MANAGEMENT, L.P.SERA PROGNOSTICS, INC.2,047,2216.5%EDGAR
SC 13D/A2024-03-29RA CAPITAL MANAGEMENT, L.P.ARS Pharmaceuticals, Inc.10,860,97711.3%EDGAR
SC 13D/A2024-03-29RA CAPITAL MANAGEMENT, L.P.Nkarta, Inc.13,848,37118.9%EDGAR
SC 13G2024-03-29RA CAPITAL MANAGEMENT, L.P.Alto Neuroscience, Inc.1,385,4915.2%EDGAR
SC 13D2024-03-28RA CAPITAL MANAGEMENT, L.P.LENZ Therapeutics, Inc.4,250,85616.6%EDGAR
SC 13G2024-03-25RA CAPITAL MANAGEMENT, L.P.CYBIN INC.58,139,5357.7%EDGAR
SC 13G2024-03-25RA CAPITAL MANAGEMENT, L.P.Regulus Therapeutics Inc.6,250,0009.5%EDGAR
SC 13D/A2024-03-18RA CAPITAL MANAGEMENT, L.P.Eliem Therapeutics, Inc.13,179,18147.5%EDGAR
SC 13D/A2024-03-11RA CAPITAL MANAGEMENT, L.P.PepGen Inc.10,695,13533.1%EDGAR
SC 13D/A2024-03-06RA CAPITAL MANAGEMENT, L.P.89bio, Inc.14,254,29814.8%EDGAR
SC 13D/A2024-03-06RA CAPITAL MANAGEMENT, L.P.Janux Therapeutics, Inc.10,593,39520.0%EDGAR
SC 13D/A2024-02-27RA CAPITAL MANAGEMENT, L.P.Connect Biopharma Holdings Ltd00.0%EDGAR
SC 13G2024-02-26RA CAPITAL MANAGEMENT, L.P.Larimar Therapeutics, Inc.6,045,3519.5%EDGAR
Form 13F-HR
The 13F-HR report is filed quarterly to report securities held by the filer that fall under the SEC's 13F rules.
Form SC 13D/G
Reported by persons and groups who own 5% or more of any class of a company's outstanding shares. If the ownership changes by 1% or more, an amendment must be filed.
Form 3, 4, and 5
Form 3, 4, and 5 reports are filed to report insider transactions by company officers and directors, and any beneficial owners of more than ten percent of a company's shares. Form 3 is the initial report that must be filed when a person becomes an officer, director, or beneficial owner. Form 4 reports are used to report changes in ownership, while the Form 5 report is used for reporting transactions that should have been reported earlier in a Form 4 filing.